import pandas as pd
import numpy as np
import matplotlib.pyplot as plt
import matplotlib.font_manager as fm
import seaborn as sns

df = pd.read_csv('./importance.csv')
df.head()

	Feature	Importance
0	Age	100.000000
1	MCV	89.158979
2	RDW	67.933354
3	Acute Respiratory Failure	66.976096
4	Respiratory Rate	63.433521

# 检查系统上是否安装了 Times New Roman
font_properties = fm.FontProperties(fname=fm.findSystemFonts(fontpaths=None, fontext='ttf')[0])
print(font_properties.get_name())

# 设置字体
plt.rc('font', family='Times New Roman')


# 使用 seaborn 绘制条形图
plt.figure(figsize=(16, 10), dpi=900)

blue_palette = list(reversed(sns.color_palette("Blues", n_colors=len(df))))
bar_plot = sns.barplot(x='Importance', 
                       y='Feature', 
                       data=df, 
                       orient='h', 
                       palette=blue_palette)

# 在条形图上方显示值
for i, bar in enumerate(bar_plot.patches):
    # 获取条形的宽度（数值）
    bar_width = bar.get_width()
    # 获取条形的 y 位置
    bar_y = bar.get_y() + bar.get_height() / 2
    # 在条形右侧稍作偏移的位置显示数值
    bar_plot.text(bar_width + 0.5, bar_y, round(bar_width, 2), va='center')

# plt.show()
plt.savefig('./importance.png')

Microsoft YaHei

C:\Users\kexu\AppData\Local\Temp\ipykernel_19228\4193398195.py:13: FutureWarning: 

Passing `palette` without assigning `hue` is deprecated and will be removed in v0.14.0. Assign the `y` variable to `hue` and set `legend=False` for the same effect.

  bar_plot = sns.barplot(x='Importance',

# 检查系统上是否安装了 Times New Roman
font_properties = fm.FontProperties(fname=fm.findSystemFonts(fontpaths=None, fontext='ttf')[0])
print(font_properties.get_name())

# 设置字体
plt.rc('font', family='Times New Roman')


# 使用 seaborn 绘制条形图
plt.figure(figsize=(16, 6), dpi=900)
blue_palette = list(reversed(sns.color_palette("Blues", n_colors=len(df))))

bar_plot = sns.barplot(
    x='Feature', 
    y='Importance', 
    data=df, 
    orient='v', 
    palette=blue_palette,
)

for i, bar in enumerate(bar_plot.patches):
    bar_height = bar.get_height()
    if bar_height <= 0: continue
    bar_x = bar.get_x() + bar.get_width() / 2
    bar_plot.text(bar_x, bar_height+1.5, round(bar_height, 2), ha='center')

# 去除上方和右侧的框线
ax = plt.gca()
ax.spines['top'].set_visible(False)
ax.spines['right'].set_visible(False)

plt.xticks(rotation=20, ha='right')
plt.tight_layout()
plt.savefig('./importance.png')

Microsoft YaHei

C:\Users\kexu\AppData\Local\Temp\ipykernel_19228\306420801.py:13: FutureWarning: 

Passing `palette` without assigning `hue` is deprecated and will be removed in v0.14.0. Assign the `x` variable to `hue` and set `legend=False` for the same effect.

  bar_plot = sns.barplot(